CVS log for src/usr.bin/cksum/cksum.c

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cksum.c: don't fault if the hash algorithm is fed invalid data

Addresses PR bin/56897 from RVP, who provided the patch.

cksum: remove trailing whitespace

cksum: fix lint warning about wrong call to isspace

cksum: use POSIX type uint32_t instead of u_int32_t

fix some error handling.

Pull up following revision(s) (requested by christos in ticket #73):
	usr.bin/cksum/cksum.1: revision 1.46
	usr.bin/cksum/cksum.1: revision 1.47
	usr.bin/cksum/cksum.c: revision 1.47
PR/49134: Kamil Rytarowski: Add -q flag.
New sentence, new line.

PR/49134: Kamil Rytarowski: Add -q flag.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

fix unused variable warnings

static + __dead

Clean up the usage display to match reality.
Allow 'sum' to take '-a algorithm', so that its usage matches 'cksum'.
Per discussion with Igor Sobrado resulting from PR 39658.

use a const struct hash pointer

Sync with wrstuden-revivesa-base-2.

Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.

Remove duplicate #includes
From Slava Semushin <slava.semushin@gmail.com>, via private mail

kill crypto/rmd160.h and crypto/sha2.h, and instead make symlinks to
/usr/include from /usr/include/sys. This makes all the one way hash
header handling identical.

use c99 initializer.

PR/34584: Geoff C. Wing: cksum not closing filescriptors after finishing
processing files.
Applied patch, thanks!

Be more liberal about whitespaces when verifying checksums.
This allows checking md5/sha1 shecksums generates on Linux, which
add more whitespace.

Based on patch by Jukka Salmi (j+nbsd at 2006 dot salmi dot ch)

remove -1, -2, -4, -5, -6, -m.

Allow reading the checksum list from stdin if no file is given with -c.
This allows verifying the checksums e.g. after downloading a NetBSD
release:
		cat BSDSUM CKSUM MD5 SHA512 SYSVSUM | cksum -c

Try guessing hash types. Prefix output with hash type,
the output format was inspired by Linux & OpenBSD.

This now allows doing something like:

miyu% ( md4 *.c ; md5 *.c ; sha1 *.c ) > /tmp/x
miyu% md5 -c /tmp/x
miyu% cksum -c /tmp/x
miyu% echo $?
0
miyu% date >test.c
miyu% cksum -c /tmp/x
(MD4) test.c: FAILED
(MD5) test.c: FAILED
(SHA1) test.c: FAILED
miyu% echo $?
1

Add a switch "-c file" to verify a list of checksums generated by the
cksum program and stored in file against files on disk.  E.g. first
run "md5 *.tgz >MD5" to generate a list of MD5 checksums in MD5, then
use the following command to verify them use "md5 -c MD5"

Inspired by Linux' md5sum,
called for by Jukka Salmi <j+nbsd@2006.salmi.ch>on netbsd-help@,
reviewed by rui@.

sync usage().

Use crypto/rmd160.h.

Apply patch (requested by elad in ticket #754):
- Deprecate -1, -2, -4, -5, -6, -m flags.
- Add -a <algorithm> flag.
- Support SHA2 hashing.
cksum(1) now supports ``sha256'', ``sha384'', and ``sha512''.

Avoid defining max. hash length ugliness simply by passing NULL for the
buffer to the File routines.

Noted by pooka@.

Forgot +1 for NUL termination.

Use MAXHASHLEN to indicate largest possible hash.
Fixes buffer overflow found by xtraeme@.

Add support for SHA2 in cksum.

Add comments about intentionally not documenting the deprecated -1, -2, -4,
-5, -6, and -m flags so they are not mistakenly get documented again in the
future.

Some changes to cksum:

1. Deprecate the -1, -2, -4, -5, -6, and -m flags. For now, simply remove
   them from the documentation.

2. Add and document ``-a algorithm''.

De-register.

whitespace, remove main() prototype.

* Kill __P()
* ANSIfy
* No parenthesis are needed around the return value

Add missing -n, -1, -2, -4, -5, and -6 to cksum usage.
From Kouichirou Hiratsuka in PR 26195.

Pull up revision 1.20 (requested by jmc in ticket #527):
Completely rework how tools/compat is done. Purge all uses/references to
_NETBSD_SOURCE as this makes cross building from older/newer versions of
NetBSD harder, not easier (and also makes the resulting tools 'different')
Wrap all required code with the inclusion of nbtool_config.h, attempt to
only use POSIX code in all places (or when reasonable test w. configure and
provide definitions: ala u_int, etc).
Reviewed by lukem. Tested on FreeBSD 4.9, Redhat Linux ES3, NetBSD 1.6.2 x86
NetBSD current (x86 and amd64) and Solaris 9.
Fixes PR's: PR#17762 PR#25944

Completely rework how tools/compat is done. Purge all uses/references to
_NETBSD_SOURCE as this makes cross building from older/newer versions of
NetBSD harder, not easier (and also makes the resulting tools 'different')

Wrap all required code with the inclusion of nbtool_config.h, attempt to
only use POSIX code in all places (or when reasonable test w. configure and
provide definitions: ala u_int, etc).

Reviewed by lukem. Tested on FreeBSD 4.9, Redhat Linux ES3, NetBSD 1.6.2 x86
NetBSD current (x86 and amd64) and Solaris 9.

Fixes PR's: PR#17762 PR#25944

Pull up revision 1.19 (requested by kleink in ticket #1580):
Update to keep file lengths in appropriate data types (off_t, as opposed
to u_int32_t).

Update to keep file lengths in appropriate data types (off_t, as opposed
to u_int32_t).

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22365, verified by myself.

Add a -n flag for the hash output forms, so that the output is
"normal", ie, "hash filename" (like all the simple checksum output
forms) as opposed to "hashname (filename) = hash".  This output form
is, imho, somewhat more useful because you can pass it directly to
sort to find identical files.  For example:

	md5 * | sort | uniq -c | grep -v ' 1 '

Protect __RCSID and __COPYRIGHT from being invoked if not defined.

Apparently changing crc() to ccrc() was bad, since mtree does a reachover.
Revert ccrc() to crc() and change local variables called crc to thecrc
instead.

Rename the crc() function to ccrc() since that removes a compiler warning
when WARNS=2.

Add MD2, MD4, SHA1, and RMD160 support to cksum.  Adding new hashes to
cksum(1) should now be easy.

convert to use getprogname()

fix nested extern

WARNSify

POSIX.2 utilities must call setlocale(LC_ALL, "");

Add support for generating MD5 checksums, partially derived from the
FreeBSD md5(1) program.  MD5 checksums may be generated by using the
"-m" flag to cksum, or by invoking this program as "md5".

Sync with 4.4lite2

imported from 44lite2

merged with 4.4Lite

Import from 4.4Lite

Add sum(1) alias, per Matt Green.  Various other cleanup.  Someone should
finish the addition to the HISTORY section.

cksum uses 32-bit quantites, internally

update to the latest cksum utility from uunet.  this one is posix
compliant (i think), and fixes a bogon in the old CRC calculation.
yes, that's right, the CRC's it generates are different.

Add RCS identifiers.

initial import of 386bsd-0.1 sources

Initial revision